CN218860708U - Immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor - Google Patents
Immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor Download PDFInfo
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- CN218860708U CN218860708U CN202222971249.XU CN202222971249U CN218860708U CN 218860708 U CN218860708 U CN 218860708U CN 202222971249 U CN202222971249 U CN 202222971249U CN 218860708 U CN218860708 U CN 218860708U
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Abstract
The utility model discloses an immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor, which comprises a reactor top cover, an immersed light source, a reactor main body, an aeration ring and an outer support frame, wherein the reactor top cover is provided with an immersed light source hole and a charging and exhausting hole, and the immersed light source is immersed into the solution in the reactor through the immersed light source hole of the reactor top cover; the reactor main body comprises a liquid discharge hole, an air inlet hole, a sampling hole and a valve, the bottom of the reactor main body is of a hemispheroid structure, the liquid discharge hole is formed in the bottommost part of the hemispheroid, and the air inlet hole is formed in the side surface of the hemispheroid; the aeration ring is connected with an air inlet on the side surface of the hemisphere, the solution in the reactor is aerated through the aeration ring, and the reactor main body is hermetically connected with the outer support frame through a flange. Realize the natural sedimentation harvesting of algae cells, save aeration energy consumption, improve gas exchange efficiency, prevent the precipitation and adherence of the algae cells, and greatly improve the efficiency of microalgae culture and harvesting.
Description
Technical Field
The utility model belongs to the technical field of the microorganism, concretely relates to results integration photobioreactor is cultivateed to submergence formula light source cylinder formula little algae.
Background
Most of existing photobioreactors for culturing microalgae are external light sources, light can be attenuated obviously after passing through the wall of the reactor, and cannot penetrate into the reactor, so that insufficient illumination received by algal cells in the reactor is caused, the growth rate is reduced, the rapid growth of the microalgae is not facilitated, the biomass concentration is low, the yield cannot reach the expectation, the illumination intensity of the external light sources is generally required to be improved, the energy consumption is increased, and the microalgae culture cost is increased; in addition, at present, microalgae is cultured by using a photobioreactor, all algae liquid in the bioreactor needs to be dehydrated during harvesting, the dehydration process is time-consuming and labor-consuming, the energy consumption is high, and the large-scale culture of the microalgae is not facilitated.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem and the defect that exist among the prior art, the utility model provides an integration photobioreactor is cultivateed to results to submergence formula light source cylinder formula microalgae.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor is characterized by comprising a reactor top cover, an immersed light source, a reactor main body, an aeration ring and an outer support frame;
the reactor top cover is hermetically connected with the reactor main body through a flange;
the top cover of the reactor is provided with an immersed light source hole;
the immersed light source is immersed in the solution in the reactor through the immersed light source hole on the top cover of the reactor;
the bottom of the reactor main body is of a hemispherical structure, and the side surface of the hemispherical structure is provided with an air inlet;
the aeration ring is connected with an air inlet on the side surface of the hemispherical structure.
The microalgae is freshwater algae or seawater algae; preferably Chlorella, scenedesmus, and Phaeodactylum.
And a rubber sealing gasket is arranged between the reactor top cover and the reactor main body.
The reactor top cover also comprises a feed hole and an exhaust hole, wherein the feed hole and the exhaust hole are the same.
The reactor main body comprises a liquid discharge hole, an air inlet hole, a sampling hole and a valve;
furthermore, the bottom of the reactor main body is provided with a liquid discharge hole which is positioned on the vertical central axis of the reactor main body.
The inner diameter of the hemispherical structure at the bottom of the reactor main body is the same as the inner diameter of the reactor main body.
The reactor main body and the reactor top cover are made of glass; preferably organic glass.
The photobioreactor also comprises an external aeration device, and an air outlet of the external aeration device is connected with an air inlet of the reactor.
The air outlet of the external aeration device is connected with the air inlet of the reactor through a glass pipe;
further, air filter cotton is arranged in the glass tube.
The reactor main body is connected with the outer support frame in a sealing way through a flange.
Compared with the prior art, the utility model discloses there are following beneficial effect:
(1) The light source adopted by the photobioreactor is an immersed light source, so that light directly enters the solution without passing through the wall of the reactor, the light supplementing energy consumption is saved, the light intensity of receiving light by algae cells is ensured, and the photosynthesis and growth rate of microalgae are improved; in addition, the photobioreactor can increase the number of immersed light sources according to the diameter of the reactor;
(2) The photobioreactor adopts the aeration circular ring for aeration, compared with the aeration mode of a single-point aeration head of a common photobioreactor, the circular ring has wider aeration range, can better mix algae liquid uniformly, supplement carbon dioxide and discharge supersaturated oxygen, and effectively prevent algae cells from precipitating and adhering to the wall;
(3) The bottom of the photobioreactor is of a hemispheroid structure, and compared with a common flat-bottom photobioreactor, the photobioreactor can collect concentrated algae liquid in which algae cells naturally settle at the bottom of the hemispheroid, so that the centrifugal energy consumption in the harvesting process is saved;
(4) The photobioreactor can realize the integration of microalgae culture and harvesting, does not need to transfer the algae liquid in the reactor to another container during harvesting, and is favorable for large-scale culture of microalgae.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic cross-sectional view of a reactor according to the present invention;
FIG. 2 is a schematic top view of the reactor of the present invention;
FIG. 3 is a schematic front view of a reactor according to the present invention;
FIG. 4 is a schematic side view of the reactor of the present invention;
figure 5 is a schematic perspective view of the reactor of the present invention.
The device comprises a reactor top cover 1, a reactor top cover 2, a connecting support 3, a flange 4, a flange bolt 5, a feeding and exhausting hole 6, an immersed light source 7, an immersed light source hole 8, a reactor main body 9, an air inlet hole 10, an aeration ring 11, a reactor hemisphere bottom 12, a valve 13, a sampling hole 14, a liquid discharging hole 15 and an outer support frame.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The terms "mounted," "connected," "fixed," and the like in this application are to be construed broadly, e.g., as meaning a fixed connection, a detachable connection, or an integral connection; the connection may be direct, indirect through an intermediate medium, an internal connection between two elements, or an interaction relationship between two elements; to those skilled in the art, the above terms should be understood as having the specific meanings of the present invention according to the specific situation, and should not be construed as limiting the present invention.
As introduced in the background art, the existing photobioreactor for culturing microalgae mostly uses an external light source, and light passes through the wall of the reactor and is obviously attenuated, so that the light cannot penetrate into the reactor; at present, a photobioreactor is utilized to culture microalgae, and after algae liquid in the bioreactor needs to be transferred to another container during harvesting, all algae liquid is dehydrated, so that time and labor are wasted, energy consumption is high, and large-scale culture of microalgae is not facilitated. In order to solve the technical problems, the application provides an immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor.
As shown in fig. 1-5, the present invention relates to a cylindrical photobioreactor for microalgae cultivation and harvesting with an immersed light source. The device comprises a reactor top cover 1, an immersed light source 6, a reactor main body 8, an aeration ring 10 and an outer support frame 15;
the reactor top cover 1 is provided with an immersed light source hole 7 for fixing an immersed light source 6, and is also provided with a charging hole and a discharging hole 5 for charging and discharging, and the charging hole and the discharging hole are the same hole;
the reactor top cover 1 is hermetically connected with the reactor main body 8 through a flange 3, and a rubber sealing washer 2 is added in the middle to ensure that the algae liquid does not leak out;
the immersed light source 6 is immersed in the algae liquid in the reactor through an immersed light source hole 7 on the top cover 1 of the reactor;
the reactor main body 8 comprises a liquid discharge hole 14, an air inlet hole 9, a sampling hole 13 and a valve 12, the bottom of the reactor main body is of a hemispheroid structure 11, the diameter of the hemispheroid structure is the same as the radius of the reactor main body, the liquid discharge hole 14 is formed in the bottommost part (namely the vertical central axis of the reactor main body), and the air inlet hole 9 is formed in the side surface of the hemispheroid;
an aeration ring 10 is connected with an air inlet hole 9 on the side surface of the hemisphere 11, an air outlet of an external aeration device is connected with the air inlet hole 9 of the reactor through a glass pipe, algae liquid in the reactor is aerated through the aeration ring 10, and air filter cotton is arranged in the glass pipe to prevent external source pollution;
the outer support frame 15 is connected with the reactor main body 8 in a sealing way through the flange 3.
The reactor main body 8 and the top cover 1 are made of organic glass and have strong light transmittance, the reactor main body 8 is 1500mm high, the wall thickness is 5mm, the inner diameter is 600mm, the inner diameters of 2 sampling holes 13 and 1 liquid discharge hole 14 are both 20mm, and the inner diameter of the air inlet hole 9 is 8mm; reactor top cap 1 diameter 700mm, thick 5mm opens and has 3 submergence formula light source holes 7, and internal diameter 25mm opens and has 1 reinforced and exhaust hole 5, and internal diameter 8mm, reactor top cap 1 utilizes 8 flange bolts 4 to be connected with reactor main part 8, and rubber seal ring 2 is added to the centre, guarantees not the weeping. The inner diameter of the bottom 11 of a reactor hemisphere is 600mm, the wall thickness is 5mm, the total height of an outer support frame 15 for supporting the reactor is 350mm, the upper part of the outer support frame is a stainless steel plate with the side length of 350mm and the thickness of 1.2mm, four legs are stainless steel square pipes with the side length of 25mm and the thickness of 0.6mm, the outer support frame 15 is connected with a reactor main body 8 in a sealing mode through 8 flange bolts 4, and a rubber sealing washer 2 is arranged in the middle.
When the reactor is used, the outer support frame 15 is connected with the flange of the reactor main body 8, all the valves 12 are closed, and the aeration ring 10 is connected. Adding algae solution and culture solution into the reactor, maintaining the liquid level at 1300-1400mm, and connecting the top cover 1 and the flange of the main body 8. Aerating the algae liquid in the reactor by an external air pump at a certain air flow rate to start a microalgae culture process; after the culture process is finished, stopping aeration, and after the algae cells in the reactor naturally settle to the bottom hemisphere 11 of the reactor, opening the valve 12 at the liquid discharge port 14 to obtain the concentrated algae liquid. After harvesting, adding new culture solution into the reactor through the feeding and exhaust port 5, and repeating the operations to realize a semi-continuous or continuous microalgae culture process.
The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file all can purchase from the market simultaneously, each part can all be customized according to the record of description and attached drawing in this application file, the concrete connected mode of each part all adopts conventional means such as ripe bolt among the prior art, machinery, part and equipment all adopt conventional model among the prior art, no longer make concrete narration here.
Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.
Claims (14)
1. An immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor is characterized by comprising a reactor top cover, an immersed light source, a reactor main body, an aeration ring and an outer support frame;
the reactor top cover is hermetically connected with the reactor main body through a flange;
the top cover of the reactor is provided with an immersed light source hole;
the immersed light source is immersed in the solution in the reactor through the immersed light source hole on the top cover of the reactor;
the bottom of the reactor main body is of a hemispherical structure, and an air inlet is formed in the side surface of the hemispherical structure;
the aeration ring is connected with an air inlet hole on the side surface of the hemispherical structure.
2. The submerged light source cylinder type microalgae culturing and harvesting integrated photobioreactor as claimed in claim 1, wherein the microalgae is freshwater algae or marine algae.
3. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the microalgae is chlorella, scenedesmus or phaeodactylum algae.
4. The submerged light source cylindrical microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein a rubber sealing gasket is added between the top cover and the main body of the photobioreactor.
5. The cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the top cover of the photobioreactor further comprises a feed hole and an exhaust hole, and the feed hole and the exhaust hole are the same.
6. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the reactor body comprises a liquid discharge hole, an air inlet hole, a sampling hole and a valve.
7. The submerged light source cylindrical microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the bottom of the reactor main body is provided with a liquid drainage hole which is positioned on a vertical central axis of the reactor main body.
8. The submerged light source cylindrical microalgae culturing and harvesting all-in-one photobioreactor as claimed in claim 1, wherein the inner diameter of the hemispherical structure at the bottom of the reactor main body is the same as the inner diameter of the reactor main body.
9. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the material of the reactor main body and the reactor top cover is glass.
10. The submerged light source cylindrical microalgae culturing and harvesting all-in-one photobioreactor as claimed in claim 1, wherein the reactor main body and the reactor top cover are made of organic glass.
11. The submerged light source cylinder type microalgae culturing and harvesting integrated photobioreactor as claimed in claim 1, further comprising an external aeration device, wherein an air outlet of the external aeration device is connected with an air inlet of the photobioreactor.
12. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 11, wherein the air outlet of the external aeration device is connected with the air inlet of the photobioreactor through a glass tube.
13. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 12, wherein the glass tube is filled with air filter cotton.
14. The submerged light source cylinder type microalgae cultivation and harvesting integrated photobioreactor as claimed in claim 1, wherein the reactor body is hermetically connected with the outer support frame through a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971249.XU CN218860708U (en) | 2022-11-08 | 2022-11-08 | Immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222971249.XU CN218860708U (en) | 2022-11-08 | 2022-11-08 | Immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor |
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| CN218860708U true CN218860708U (en) | 2023-04-14 |
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| CN202222971249.XU Active CN218860708U (en) | 2022-11-08 | 2022-11-08 | Immersed light source cylindrical microalgae cultivation and harvesting integrated photobioreactor |
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